"We have known the team at Instinctif Partners for some time and they are widely respected in our industry," said Marstons CEO Ralph Findlay.

"They understand our particular requirements and forward strategy well and we believe they will be able to make a very positive contribution to our communications with the media and wider investment and business audiences."

At Instinctif, the Marstons team will be led by the firm's capital markets CEO, Paul Downes.